./gradlew :project1:assembleRelease
./gradlew :project30:assembleRelease
./gradlew :project31:assembleRelease

if [ ! -d release ]; then
mkdir release
fi

cp ./project1/build/outputs/apk/release/project1-release.apk ./release
cp ./project30/build/outputs/apk/release/project30-release.apk ./release
cp ./project31/build/outputs/apk/release/project31-release.apk ./release